227242556918057 has 4 divisors (see below), whose sum is σ = 231094125679440. Its totient is φ = 223390988156676.

The previous prime is 227242556918033. The next prime is 227242556918059. The reversal of 227242556918057 is 750819655242722.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-227242556918057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 227242556917984 and 227242556918002.

It is not an unprimeable number, because it can be changed into a prime (227242556918059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1925784380603 + ... + 1925784380720.

It is an arithmetic number, because the mean of its divisors is an integer number (57773531419860).

Almost surely, 2^{227242556918057} is an apocalyptic number.

It is an amenable number.

227242556918057 is a deficient number, since it is larger than the sum of its proper divisors (3851568761383).

227242556918057 is an equidigital number, since it uses as much as digits as its factorization.

227242556918057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3851568761382.

The product of its (nonzero) digits is 169344000, while the sum is 65.

The spelling of 227242556918057 in words is "two hundred twenty-seven trillion, two hundred forty-two billion, five hundred fifty-six million, nine hundred eighteen thousand, fifty-seven".